public WindData edb(string windCodes, string startTime, string endTime, string options)
{
checkConnection();
object ocodes, ofields, otimes, odata;
int errorCode;
odata = wdc.edb_syn(windCodes, startTime, endTime, options, out ocodes, out ofields, out otimes, out errorCode);
return(formatWD(ocodes, ofields, otimes, odata, errorCode));
}